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Rock Cycle - Rocks (4A)
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Rock Cycle - Rocks (4A)
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What characteristics are useful in identifying the major types of rocks?PROBLEM:
PREDICTION:
EXERCISE: Using your rock kit and the code described by your instructor, arrange the rocks into 3 groups. Try to determine which characteristics are common to each group. List these characteristics [Hint: hard, soft, breakable, flat, sandy, heavy, crystals, color, etc.].
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IGNEOUS |
CHARACTERISTICS |
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GRANITE |
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OBSIDIAN |
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BASALT |
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SCORIA |
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METAMORPHIC |
CHARACTERISTICS |
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MARBLE |
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SCHIST |
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| SHALE | ||
GNEISS |
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SEDIMENTARY |
CHARACTERISTICS |
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SHALE |
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SANDSTONE |
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CONGLOMERATE |
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DIATOMITE |
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What are some identifying characteristics of igneous rocks? Metamorphic rocks? Sedimentary rocks?CONCLUSION:
